This High-Vacuum Grease is used as a sealant for vacuum and pressure systems. Among applications, it lubricates valves, stopcocks, and synthetic rubber gaskets and seals in high temperature applications. It can be used to lubricate O-rings in telescopes and binoculars, and can prevent fogging of lenses.
Excellent resistance to water (is insoluble), chemicals generally and dilute solutions of acids and alkalies. Maintains consistency from -40° to +400°F (-40° to +204°C).